Toyota's 1.5-liter and 2.0-liter internal combustion engines, co-developed with Subaru and Mazda, are showing promising signs ...

Toyota can utilize the 1.5-liter engine to suit classes such as compact cars and hybrids, while the 2.0-liter turbo could fit larger trucks, SUVs, and sports models.

The 1.5-liter R engine that powered the Toyota Crown (the first of the R inline-four family) was unsuitable for the speeds found on North American highways, and it didn't have any efficiency or ...

Of the three new engines announced by Toyota and its sister companies, the 1.5-liter naturally aspirated gasoline engine is about 10% smaller in volume compared to the current generation of ...

Toyota, Subaru, and Mazda unveiled compact engines compatible with carbon-neutral fuels, advancing carbon neutrality efforts amidst stricter emissions standards.

Toyota is reportedly working on what should be the most powerful 2.0-liter engine in the world. The unit should set the mid-engined Toyota MR2 and Celica GRMN in motion in an all-wheel drive setup.